C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

dana 36 to 44 conversion

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Old Jul 20, 2005 | 10:47 PM
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Default dana 36 to 44 conversion

After breaking 2 dana 36 differentials,I bought a dana 44 from a forum member.(thanks slo 65) I was wondering if it was possible to modify a d36 c beam to work in this conversion? And if so,could someone give me dimensions.Length of dana 44 c beam,front mounting holes to rear holes distance.Any help on this would be appreciated.
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Old Jul 20, 2005 | 10:57 PM
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Originally Posted by 88strokerutah
After breaking 2 dana 36 differentials,I bought a dana 44 from a forum member.(thanks slo 65) I was wondering if it was possible to modify a d36 c beam to work in this conversion? And if so,could someone give me dimensions.Length of dana 44 c beam,front mounting holes to rear holes distance.Any help on this would be appreciated.
I don't think its going to be possible. They have different bolt locations and size differences that will make it very difficult, and not worth the risk trying.
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Old Jul 20, 2005 | 10:57 PM
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Yes, this is done. You should be able to get the measurements once the differential is bolted in place. It's roughly an inch difference (shorter) from the 36's hole location. I believe the change is made to the tranny end of the beam.

BTW, the bolt holes are the same size. If I remember right they are 12mm bolts ot the differential end and 10mm at the trans. (18mm & 15mm wrench sizes, repectively) There was no difference in the beam bolts between my original 36 and the 44 I installed. The only mod I had to make for the whole swap was drilling out the holes where the camber brackets bolt to the housing. This is not even necessary on the later 44s but mine came out of an '85.

Last edited by Corvette Kid; Jul 20, 2005 at 11:11 PM.
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Old Jul 20, 2005 | 11:05 PM
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I believe it was joby that did it and has details on exactly what to do.
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Old Jul 20, 2005 | 11:22 PM
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Opps my bad fellas! I for some reason thought you were talking about the batwing.

When I saw that there was an emaill notice stating that it could be done, I what like WTF - how can that work.

Guess its time for bed...to much thinking today, the old noggin needs a rest.
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Old Jul 21, 2005 | 08:54 AM
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Originally Posted by ski_dwn_it
Opps my bad fellas! I for some reason thought you were talking about the batwing.

When I saw that there was an emaill notice stating that it could be done, I what like WTF - how can that work.

Guess its time for bed...to much thinking today, the old noggin needs a rest.
Sky, i thought exactly the same thing!
-Beppe-
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Old Jul 21, 2005 | 10:49 AM
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Originally Posted by Corvette Kid NC
Yes, this is done. You should be able to get the measurements once the differential is bolted in place. It's roughly an inch difference (shorter) from the 36's hole location. I believe the change is made to the tranny end of the beam.

I was thinking it was more like two inches, but it makes no difference. In many cases the driveshaft will work also.

RACE ON!!!
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Old Jul 21, 2005 | 01:29 PM
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I was thinking it was more like two inches, but it makes no difference

In some circumstances and extra 2 inches means a LOT!
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Old Jul 21, 2005 | 01:58 PM
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Originally Posted by GeosFun
I was thinking it was more like two inches, but it makes no difference

In some circumstances and extra 2 inches means a LOT!

That's what she said.
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Old Jul 21, 2005 | 05:04 PM
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Why fool with it ?...I've seen Dana 44 driveshafts for sale on this forum for $50...there seem to be plenty around...
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Old Jul 21, 2005 | 05:51 PM
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Originally Posted by CFI-EFI

I was thinking it was more like two inches, but it makes no difference. In many cases the driveshaft will work also.

RACE ON!!!
I laid the beams side by side and the forward hole on the 44 beam is just about dead center between the two holes for the 36 beam. I know the driveshafts are an inch shorter for the 44 so that was my guesstimate!

Originally Posted by GeosFun
I was thinking it was more like two inches, but it makes no difference

In some circumstances and extra 2 inches means a LOT!
I wouldn't know.......
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Old Jul 23, 2005 | 12:37 AM
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JoBys home page

http://www.joby.se/corvette/mods//2001-0X11_diff/
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